If transported with on-load tap changer, the tap changer compartment shall be connected with main body by U-shapedtube.
凡带有载开关运输的，应将开关油室用 U 形管与本体连通。
2
It showed that because of the existence of the counter-current vessels, the cooling effect of internal tissue surrounded by U-shapedtube was more evident.
由于并行逆流血管的存在，流动对U型管所包围的组织的冷却效果明显。
3
An instrument used to measure pressure. A manometer consists of a U-shapedtube partially filled with a liquid that can vary in specific gravity from 1.0 (water) to 13.57 (mercury).